<!doctype html>
<meta charset="utf-8">
<title>Partial Shadow DOM support - layout & style</title>
<style>
  h1 { color: red; }
  .blue { color: blue; }
</style>
<h1>Not in the shadows</h1>
<div id="host">
  <h1 class='blue'>In the shadows</h1>
</div>
